WISNODE-UART WIFI EVB QUICK START GUIDE WisNode-UART WIFI EVB Quick Start Guide Shenzhen Rakwireless Technology Co., Ltd

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1 WisNode-UART WIFI EVB Quick Start Guide Shenzhen Rakwireless Technology Co., Ltd Rakwireless all rights reserved. Mentioned in this document, the actual company and product names, Trademarks are their respective owners. After update the new version, this document without prior notice. 1

2 1. Product introduction 1.1 Overview Arduino WisNode-UART WIFI EVB is based on the RAK473(476) module design of an Arduino-compatible development board,can be plugged into the Arduino EVB,it also can be used as a base plate plug other Arduino series peripherals.this document will be through a detailed description make developers to quickly grasp RAK473(476) WiFi module. For example, through the PC(C) serial debugging assistant test module s AT command function, Establishment of Socket communications, Use the web or mobile phone APP to configure the module to the designated router and so on. 1.2 Evaluation Kit Introduction After buying the Evaluation Kit on Taobao, We will use the following items box send to you,as shown in Figure 1-1. Article in the box as shown in Figure 1-2: A WisNode-UART WIFI EVB,A Micro USB line.if you buy an external antenna EVB, there will be an antenna in the box. Figure 1-1 2

3 Figure Hardware Introduction As the following Figure shown is the Arduino WisNode-UART WIFI EVB hardware and hardware distribution.because the RAK473 module and the RAK476 module are very similar in operation and procedure, Therefore, this document is mainly based on the case of RAK473 WiFi module. However, there are differences between the tow modules in the peripheral hardware circuit, So when you use this EVB you should pay attention to the hardware version switch. If you uses the RAK473 module, you should welded a 0Ω resistor at R3, As the Figure 1-3 show. If you uses the RAK473 module, you should welded a 0Ω resistor at R6. Besides, different modules need different external circuit. At the bottom of the EVB, you should welded 0Ω resistor follow the instructions. Use this EVB, Users only need a Micro USB line, one end connected to the EVB, one end connected to the computer, and pay attention to the use of serial jump cap jump mode. 3

4 Serial port Micro USB Power light Reset Key RAK473 module Version change resistor Figure 1-3 Arduino WisNode-UART WIFI Top Diagram Slots Usage 1 When WisNode-UART WIFI EVB used independently or as a host Using H1 H2 H3 H4 2 When WisNode-UART WIFI EVB as a slave or plugged into other Arduino board Using P4 P5 P6 P7 Serial Port connect methods 2 When WisNode-UART WIFI EVB used independently or as a host RXD connect to CTX,TXD connect to CRX 2 When WisNode-UART WIFI EVB as a slave or plugged into other Arduino board RXD connect to TX TXD connect to RX 4

5 I/O switch resistance, the current status corresponding RAK473 module. If switch down this 0R resistor, is corresponding RAK476 module Is the outer side of the left third pin Figure 1-4 Arduino WisNode-UART WIFI Bottom Diagram 图 1-5 Arduino WisNode-UART WIFI EVB Linking Methods 1

6 2. Use Introduction 2.1 STA Mode Test Boot information Serial debugging assistant interface diagram Use serial debugging assistant test: (Serial baud rate ,Check bit:null,data bit 8,Stop bit 1,Flow control Disable) Welcome to RAK473 //Boot information at+ascii=1 //Set AT command return to the ASCII dispaly OK at+psk= //Set routing password OK at+connect=rakwireless //Connection route OK at+ipdhcp=0 //Obtain the dynamic IP address OK mac=9c:44:3d:00:06:59 addr=

7 mask= gw= dns1= dns2= at+ltcp=25000 //Establish a tcp server OK8 at+recv_data=128,0,59231, //Receive tcp client connection event at+recv_data=0,59231, ,12,hello rak473 //Receive data at+recv_data=129,0,59231, //Receive tcp client disconnect event 2.2 AP Mode Test Use serial debugging assistant test: (Serial baud rate ,Check bit:null,data bit 8,Stop bit 1,Flow control Disable) Welcome to RAK473 //Boot information at+ascii=1 //Set AT command return to the ASCII dispaly OK at+psk= //Set AP psk OK at+ap=rak473_ap //Establish AP OK at+ipstatic= , , , ,0 //Set static IP address OK at+ipdhcp=1 //Open dhcp server OK at+ltcp=25000 //Establish tcp server OK8 at+recv_data=connect //Receive STA connect event at+recv_data=128,0,47466, //Receive tcp client connect event at+recv_data=0,47466, ,12,hello rak473 //Receive data at+recv_data=129,0,47466, //Receive tcp client disconnect event at+recv_data=disconnect //Receive STA disconnect event Detailed list of AT commands please refer to RAK473(476) UART software programming manual. 2

8 2.3 Creating AP and Establish TCP_SEVER This part gives an example process of AT command, set the module to AP mode, and establish TCP Sever, PC(C) connects to the module AP, and create TCP Client to communicate with the module. TCP/UDP test tool interface diagram Frequency band: 2.4GHZ Information channel: channel 1 AP Name: rak_ap AP password: rakwireless Encryption mode: WAP2-PSK-CCMP Module IP address: Country code: CN 1

9 AT command flow is as follows: Starting-up returns C 63 6F 6D F B D 0A Set channel Send at+channel=1\r\n Return 4F 4B 0D 0A Set AP psk Send at+psk=rakwireless\r\n Return 4F 4B 0D 0A Set module to connect the wireless of rak_ap Send at+ap=rak_ap\r\n return 4F 4B 0D 0A Set module static IP is Send at+ipstatic= , , ,0,0\r\n Return 4F 4B 0D 0A Setting the module to automatically set the DHCP SEVER parameter Send at+ipdhcp=1\r\n Return 4F 4B 0D 0A Module create a TCP Server with local port of Send at+ltcp=25000\r\n Return 4F 4B 08 0D 0A When PC connected the module s ap, module return B F D 82 0D 0A Use PC create a TCP Client,IP address is , target port is and connect to the TCP Server created by WiFi module, module return B F D CA A8 C0 0D 0A 1

10 TCP Client send a string of abcd to TCP Sever, module return B F D CA A8 C D 0A TCP Sever send a string of ABCD to TCP Client Send at+send_data=0,49729, ,4,abcd\r\n Return 4F 4B 0D 0A 1

11 2.4 Module connected to Router STA and Establish TCP Client This part gives a sample process of AT command, connect the module with the router with SSID of RAK, PSK of rakwireless, then establish TCP sever. PC (C) establishes TCP Client and connects to the module terminal TCP SEVER to transmit data. Frequency band: 2.4GHZ AP name: rak_sta AP password: rakwireless Encryption mode: WPA2-PSK IP address of WiFi Moudle (B): DHCP acquiring RAK_2.4GHz AT command flow is as follows Boot information C 63 6F 6D F B D 0A Scan wireless network with SSID of rak_sta in all channels Send at+scan=0,rak_sta\r\n Return 4F 4B 01 0D 0A Set wireless password is rakwireless Send at+psk=rakwireless\r\n Return 4F 4B 0D 0A Module connects the wireless network with SSID of rak_sta Send at+connect=rak_sta\r\n Return 4F 4B 0D 0A 1

12 Open module DHCP Client, obtain module IP address Send at+ipdhcp=0\r\n Return 4F 4B 9C 44 3D F 01 A8 C0 00 FF FF FF A8 C A8 C D 0A PC terminal use TCP/UDP tool to establish TCP Sever with local port of 9000, and start up the server. The module terminal establishes TCP Client, and then connects to the TCP Sever of PC terminal Send at+tcp= ,9000,25000,0\r\n Return 4F 4B 00 0D 0A TCP Sever of PC terminal sends a string of "abcd" to TCP Client, the module returns B F D B 01 A8 C D 0A TCP Client of module terminal sends TCP Sever of PC terminal a string of "ABCD" Send at+send_data=0,9000, ,4,abcd\r\n Return 4F 4B 0D 0A 2

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14 2.5 Network Configuration This part mainly introduces several network configurations of RAK473, RAK473 mainly includes three kinds of network configuration modes, that is, AP, WPS and Easyconfig AP Network Configuration This section introduces how to use the web page to configure the module to the specified. router under the AP mode. Boot information C 63 6F 6D F B D 0A Start web configuration, the module will establish ap according to the internally stored web parameters,ap name defaults to RAK473_WEB_XXXXXX (XXXXXX is module MAC address after six bits). Send at+start_web\r\n Return 4F 4B 0D 0A PC terminal connects module ap to open web page, input to go to the webpage, then enter the user name "admin" and password "admin" to go into the web page. 1

15 In the network configuration page: 1, Slect the Wlan Mode of STA mode 2, Click on "Search" to search ap hot spots around the module, and choose one of the ap for the module connection 3, Select AUTO as channel selection mode 4, If ap is encrypted, then fill in password of ap 5, Select the DHCP Mode of DHCP 6, Click "Save", and jump to the next page 2

16 7, Save the Settings 8,Starting automatical net-connecting,the module is connected to the designated router Send at+auto_connect\r\n Return 4F 4B 9C 44 3D F 01 A8 C0 00 FF FF FF A8 C A8 C D 0A F 52 FF 0D 0A 3

17 In the "advanced management" page, the login account and password can be modified. In the "advanced management" page, the login account and password can be modified. 4

18 2.5.2 Easyconfig Configuration This section introduces how to use mobile APP to one-key configure the module to the specified router. And please download RAK47X Config Tool APP from Step1 The mobile phone connects to the network that module will be connected to. Open RAK47X Config Tool APP,Ssid automatic filling, input Psk Please enter the correct route password Step2 Reset wifi module, Send at+easy_config\r\n, make the module get into configuration status, and link indicator light faster flicker: Open ascii display Send AT command Configure successful 1

19 Step3 Click Connect, start configure: Step4 If configure successful, APP will return module s mac address 2

20 3. Modification Records Edition Author Date Modification content V1.0 Wenyong.tang 2017/01/06 Creating document 3